package chapter.job;

import chapter.job.Circle;

import java.util.Scanner;

public class TextCircle {
    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        Circle ci = new Circle();
        System.out.println("请输入圆半径");
        ci.radius=input.nextInt();
        ci.area();
        ci.girtln();

    }
}
